/Engine/Source/Editor/SequencerCore/Public/MVVM/Views/KeyRenderer.h
Flag enum signifying how the cache has changed since it was last generated
namespace UE { namespace Sequencer { enum EViewDependentCacheFlags { None = 0, DataChanged = 1 << 0, KeyStateChanged = 1 << 1, ViewChanged = 1 << 2, ViewZoomed = 1 << 3, Empty = 1 << 4, All = DataChanged | KeyStateChanged | ViewChanged | ViewZoomed, } } }